/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * @PercentLengthWriter.java
 * 汇智互联版权所有，未经许可，不得使用
 */

package com.wisii.wisedoc.io.wsd.attribute;

import com.wisii.wisedoc.document.attribute.PercentLength;
import com.wisii.wisedoc.document.datatype.Length;
import com.wisii.wisedoc.document.datatype.LengthBase;
import com.wisii.wisedoc.document.datatype.PercentBase;
import com.wisii.wisedoc.io.AttributeWriter;
import com.wisii.wisedoc.io.IOFactory;

/**
 * 类功能描述：百分比writer类
 * 
 * 作者：zhangqiang 创建日期：2008-12-19
 */
public class PercentLengthWriter extends AbstractAttributeWriter
{

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.wisii.wisedoc.io.AttributeWriter#write(int, java.lang.Object)
	 */
	public String write(int key, Object value)
	{
		if ((value == null) || !(value instanceof PercentLength))
		{
			return "";
		}
		PercentLength pl = (PercentLength) value;
		String values = getValueString(pl);
		String returns = "";
		returns = returns + getKeyName(key);
		returns = returns + EQUALTAG + QUOTATIONTAG + values + QUOTATIONTAG
				+ SPACETAG;
		return returns;
	}

	public String getValueString(Object value)
	{
		if (value instanceof PercentLength)
		{
			PercentLength pl = (PercentLength) value;
			String values = "" + pl.value();
			PercentBase pb = pl.getBaseLength();
			if (pb instanceof LengthBase)
			{
				LengthBase lb = (LengthBase) pb;
				values = values + "," + lb.getBaseType();
				Length baselen = lb.getBaseLength();
				if (baselen != null)
				{
					AttributeWriter basewrite = IOFactory
							.getAttributeIOFactory(IOFactory.WSD)
							.getAttributeWriter(baselen.getClass());
					if (basewrite instanceof AbstractAttributeWriter)
					{
						String basestring = ((AbstractAttributeWriter) basewrite)
								.getValueString(baselen);
						if (basestring != null && !basestring.trim().isEmpty())
						{
							values = values + "," + basestring.trim();
						}
					}
				}
			}
			return values;
		}
		return null;
	}
}
